What will come in place of the question mark (?) in the following number series? 2, 7, 16, 29, 46, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 7, 16, 29, 46, ?

A. 61

B. 65

C. 63

D. 67

Answer: Option B

Solution (By JKSSB Mock Tests)

The differences are: 5, 9, 13, 17. These are increasing by 4. The next difference is 21. Therefore, 46+21=67.

This question belongs to: Reasoning Number Series

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Question #1

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What will come in place of the question mark (?) in the following number series? 1, 8, 27, 64, 125, ?

A. 144

B. 169

C. 196

D. 216

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Correct Answer: Option D

Explanation:
The series consists of cubes of consecutive integers: 1³, 2³, 3³, 4³, 5³. The next term is 6³=216.

This question belongs to: Reasoning Number Series

Question #2

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What will come in place of the question mark (?) in the following number series? 5, 15, 45, 135, ?

A. 360

B. 270

C. 540

D. 405

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Correct Answer: Option D

Explanation:
Each term is multiplied by 3. Therefore, 135×3=405.

This question belongs to: Reasoning Number Series

Question #3

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What will come in place of the question mark (?) in the following number series? 5, 12, 21, 32, ?

A. 43

B. 41

C. 45

D. 47

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Correct Answer: Option C

Explanation:
The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 32+13=45.

This question belongs to: Reasoning Number Series

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